Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r154-tall-174876825300219.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is PaceMaker-PT-none, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r154-tall-174876825300219
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 640K
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 60K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 119K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 158K May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME Liveness

=== Now, execution of the tool begins

BK_START 1748841899270

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=PaceMaker-PT-none
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-02 05:25:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2025-06-02 05:25:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 05:25:00] [INFO ] Load time of PNML (sax parser for PT used): 74 ms
[2025-06-02 05:25:00] [INFO ] Transformed 70 places.
[2025-06-02 05:25:00] [INFO ] Transformed 164 transitions.
[2025-06-02 05:25:00] [INFO ] Parsed PT model containing 70 places and 164 transitions and 954 arcs in 167 ms.
Discarding 28 transitions out of 164. Remains 136
Built sparse matrix representations for Structural reductions in 5 ms.15700KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 70/70 places, 164/164 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 23 ms. Remains 70 /70 variables (removed 0) and now considering 164/164 (removed 0) transitions.
Running 153 sub problems to find dead transitions.
[2025-06-02 05:25:00] [INFO ] Flow matrix only has 158 transitions (discarded 6 similar events)
Normalized transition count is 93 out of 158 initially.
// Phase 1: matrix 93 rows 70 cols
[2025-06-02 05:25:00] [INFO ] Computed 35 invariants in 9 ms
[2025-06-02 05:25:00] [INFO ] State equation strengthened by 131 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 2 (OVERLAPS) 158/228 variables, 70/105 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 131/236 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/228 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 5 (OVERLAPS) 0/228 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 153 unsolved
No progress, stopping.
After SMT solving in domain Real declared 228/228 variables, and 236 constraints, problems are : Problem set: 0 solved, 153 unsolved in 3503 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, State Equation: 70/70 constraints, ReadFeed: 131/131 constraints, PredecessorRefiner: 153/153 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 153 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 2 (OVERLAPS) 158/228 variables, 70/105 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 131/236 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/228 variables, 153/389 constraints. Problems are: Problem set: 0 solved, 153 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 228/228 variables, and 389 constraints, problems are : Problem set: 0 solved, 153 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, State Equation: 70/70 constraints, ReadFeed: 131/131 constraints, PredecessorRefiner: 153/153 constraints, Known Traps: 0/0 constraints]
After SMT, in 23695ms problems are : Problem set: 0 solved, 153 unsolved
Search for dead transitions found 0 dead transitions in 23713ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 23776 ms. Remains : 70/70 places, 164/164 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 70/70 places, 164/164 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 8 ms. Remains 70 /70 variables (removed 0) and now considering 164/164 (removed 0) transitions.
[2025-06-02 05:25:24] [INFO ] Flow matrix only has 158 transitions (discarded 6 similar events)
[2025-06-02 05:25:24] [INFO ] Invariant cache hit.
[2025-06-02 05:25:24] [INFO ] Implicit Places using invariants in 35 ms returned []
[2025-06-02 05:25:24] [INFO ] Flow matrix only has 158 transitions (discarded 6 similar events)
[2025-06-02 05:25:24] [INFO ] Invariant cache hit.
[2025-06-02 05:25:24] [INFO ] State equation strengthened by 131 read => feed constraints.
[2025-06-02 05:25:24] [INFO ] Implicit Places using invariants and state equation in 89 ms returned []
Implicit Place search using SMT with State Equation took 130 ms to find 0 implicit places.
[2025-06-02 05:25:24] [INFO ] Redundant transitions in 4 ms returned []
Running 153 sub problems to find dead transitions.
[2025-06-02 05:25:24] [INFO ] Flow matrix only has 158 transitions (discarded 6 similar events)
[2025-06-02 05:25:24] [INFO ] Invariant cache hit.
[2025-06-02 05:25:24] [INFO ] State equation strengthened by 131 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 2 (OVERLAPS) 158/228 variables, 70/105 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 131/236 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/228 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 5 (OVERLAPS) 0/228 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 153 unsolved
No progress, stopping.
After SMT solving in domain Real declared 228/228 variables, and 236 constraints, problems are : Problem set: 0 solved, 153 unsolved in 2945 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, State Equation: 70/70 constraints, ReadFeed: 131/131 constraints, PredecessorRefiner: 153/153 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 153 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 2 (OVERLAPS) 158/228 variables, 70/105 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 131/236 constraints. Problems are: Problem set: 0 solved, 153 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 228/228 variables, and 389 constraints, problems are : Problem set: 0 solved, 153 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, State Equation: 70/70 constraints, ReadFeed: 131/131 constraints, PredecessorRefiner: 153/153 constraints, Known Traps: 0/0 constraints]
After SMT, in 33060ms problems are : Problem set: 0 solved, 153 unsolved
Search for dead transitions found 0 dead transitions in 33064ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 33213 ms. Remains : 70/70 places, 164/164 transitions.
Random walk for 1250000 steps, including 0 resets, run took 3143 ms (no deadlock found). (steps per millisecond=397 )
Random directed walk for 1250001 steps, including 0 resets, run took 2595 ms (no deadlock found). (steps per millisecond=481 )
[2025-06-02 05:26:03] [INFO ] Flow matrix only has 158 transitions (discarded 6 similar events)
[2025-06-02 05:26:03] [INFO ] Invariant cache hit.
[2025-06-02 05:26:03] [INFO ] [Real]Absence check using 35 positive place invariants in 5 ms returned sat
[2025-06-02 05:26:03] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2025-06-02 05:26:03] [INFO ] Solution in real domain found non-integer solution.
[2025-06-02 05:26:03] [INFO ] [Nat]Absence check using 35 positive place invariants in 6 ms returned sat
[2025-06-02 05:26:03] [INFO ] [Nat]Absence check using state equation in 120 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 70/70 places, 164/164 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 62 transition count 160
Applied a total of 12 rules in 18 ms. Remains 62 /70 variables (removed 8) and now considering 160/164 (removed 4) transitions.
Running 149 sub problems to find dead transitions.
[2025-06-02 05:26:03] [INFO ] Flow matrix only has 154 transitions (discarded 6 similar events)
Normalized transition count is 88 out of 154 initially.
// Phase 1: matrix 88 rows 62 cols
[2025-06-02 05:26:03] [INFO ] Computed 31 invariants in 4 ms
[2025-06-02 05:26:03] [INFO ] State equation strengthened by 131 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (OVERLAPS) 154/216 variables, 62/93 constraints. Problems are: Problem set: 0 solved, 149 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/216 variables, 131/224 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/216 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (OVERLAPS) 0/216 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 149 unsolved
No progress, stopping.
After SMT solving in domain Real declared 216/216 variables, and 224 constraints, problems are : Problem set: 0 solved, 149 unsolved in 2579 ms.
Refiners :[Positive P Invariants (semi-flows): 31/31 constraints, State Equation: 62/62 constraints, ReadFeed: 131/131 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 149 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (OVERLAPS) 154/216 variables, 62/93 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/216 variables, 131/224 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/216 variables, 149/373 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 216/216 variables, and 373 constraints, problems are : Problem set: 0 solved, 149 unsolved in 20011 ms.
Refiners :[Positive P Invariants (semi-flows): 31/31 constraints, State Equation: 62/62 constraints, ReadFeed: 131/131 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints]
After SMT, in 22656ms problems are : Problem set: 0 solved, 149 unsolved
Search for dead transitions found 0 dead transitions in 22658ms
[2025-06-02 05:26:26] [INFO ] Flow matrix only has 154 transitions (discarded 6 similar events)
[2025-06-02 05:26:26] [INFO ] Invariant cache hit.
[2025-06-02 05:26:26] [INFO ] Implicit Places using invariants in 74 ms returned []
[2025-06-02 05:26:26] [INFO ] Flow matrix only has 154 transitions (discarded 6 similar events)
[2025-06-02 05:26:26] [INFO ] Invariant cache hit.
[2025-06-02 05:26:26] [INFO ] State equation strengthened by 131 read => feed constraints.
[2025-06-02 05:26:26] [INFO ] Implicit Places using invariants and state equation in 161 ms returned []
Implicit Place search using SMT with State Equation took 237 ms to find 0 implicit places.
Running 149 sub problems to find dead transitions.
[2025-06-02 05:26:26] [INFO ] Flow matrix only has 154 transitions (discarded 6 similar events)
[2025-06-02 05:26:26] [INFO ] Invariant cache hit.
[2025-06-02 05:26:26] [INFO ] State equation strengthened by 131 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (OVERLAPS) 154/216 variables, 62/93 constraints. Problems are: Problem set: 0 solved, 149 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/216 variables, 131/224 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/216 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (OVERLAPS) 0/216 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 149 unsolved
No progress, stopping.
After SMT solving in domain Real declared 216/216 variables, and 224 constraints, problems are : Problem set: 0 solved, 149 unsolved in 2595 ms.
Refiners :[Positive P Invariants (semi-flows): 31/31 constraints, State Equation: 62/62 constraints, ReadFeed: 131/131 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 149 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (OVERLAPS) 154/216 variables, 62/93 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/216 variables, 131/224 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/216 variables, 149/373 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 216/216 variables, and 373 constraints, problems are : Problem set: 0 solved, 149 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 31/31 constraints, State Equation: 62/62 constraints, ReadFeed: 131/131 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints]
After SMT, in 32658ms problems are : Problem set: 0 solved, 149 unsolved
Search for dead transitions found 0 dead transitions in 32661ms
Starting structural reductions in LIVENESS mode, iteration 1 : 62/70 places, 160/164 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 55576 ms. Remains : 62/70 places, 160/164 transitions.
Discarding 28 transitions out of 160. Remains 132
Initial state reduction rules removed 5 formulas.
RANDOM walk for 40000 steps (8 resets) in 1912 ms. (20 steps per ms) remains 20/127 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4002 steps (8 resets) in 22 ms. (174 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4003 steps (8 resets) in 11 ms. (333 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4003 steps (8 resets) in 10 ms. (363 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4003 steps (8 resets) in 11 ms. (333 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4003 steps (8 resets) in 12 ms. (307 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4003 steps (8 resets) in 10 ms. (363 steps per ms) remains 20/20 properties
[2025-06-02 05:27:00] [INFO ] Flow matrix only has 154 transitions (discarded 6 similar events)
[2025-06-02 05:27:00] [INFO ] Invariant cache hit.
[2025-06-02 05:27:00] [INFO ] State equation strengthened by 131 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 3/26 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 100/126 variables, 26/39 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/126 variables, 78/117 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 25/151 variables, 14/131 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/151 variables, 7/138 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/151 variables, 12/150 constraints. Problems are: Problem set: 0 solved, 20 unsolved
[2025-06-02 05:27:00] [INFO ] Deduced a trap composed of 1 places in 29 ms of which 11 ms to minimize.
[2025-06-02 05:27:00] [INFO ] Deduced a trap composed of 1 places in 15 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/151 variables, 2/152 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/151 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 12 (OVERLAPS) 3/154 variables, 2/154 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/154 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/154 variables, 1/156 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/154 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 16 (OVERLAPS) 19/173 variables, 17/173 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/173 variables, 4/177 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/173 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 19 (OVERLAPS) 43/216 variables, 20/197 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/216 variables, 10/207 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/216 variables, 19/226 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/216 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 23 (OVERLAPS) 0/216 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 216/216 variables, and 226 constraints, problems are : Problem set: 0 solved, 20 unsolved in 1519 ms.
Refiners :[Positive P Invariants (semi-flows): 31/31 constraints, State Equation: 62/62 constraints, ReadFeed: 131/131 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 3/26 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 100/126 variables, 26/39 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/126 variables, 78/117 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 6/123 constraints. Problems are: Problem set: 0 solved, 20 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 126/216 variables, and 123 constraints, problems are : Problem set: 0 solved, 20 unsolved in 5009 ms.
Refiners :[Positive P Invariants (semi-flows): 13/31 constraints, State Equation: 26/62 constraints, ReadFeed: 78/131 constraints, PredecessorRefiner: 6/20 constraints, Known Traps: 0/2 constraints]
After SMT, in 6543ms problems are : Problem set: 0 solved, 20 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 23 out of 62 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 160/160 transitions.
Applied a total of 0 rules in 6 ms. Remains 62 /62 variables (removed 0) and now considering 160/160 (removed 0) transitions.
Running 149 sub problems to find dead transitions.
[2025-06-02 05:27:06] [INFO ] Flow matrix only has 154 transitions (discarded 6 similar events)
[2025-06-02 05:27:06] [INFO ] Invariant cache hit.
[2025-06-02 05:27:06] [INFO ] State equation strengthened by 131 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (OVERLAPS) 154/216 variables, 62/93 constraints. Problems are: Problem set: 0 solved, 149 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/216 variables, 131/224 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/216 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (OVERLAPS) 0/216 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 149 unsolved
No progress, stopping.
After SMT solving in domain Real declared 216/216 variables, and 224 constraints, problems are : Problem set: 0 solved, 149 unsolved in 2556 ms.
Refiners :[Positive P Invariants (semi-flows): 31/31 constraints, State Equation: 62/62 constraints, ReadFeed: 131/131 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 149 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (OVERLAPS) 154/216 variables, 62/93 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/216 variables, 131/224 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 216/216 variables, and 373 constraints, problems are : Problem set: 0 solved, 149 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 31/31 constraints, State Equation: 62/62 constraints, ReadFeed: 131/131 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints]
After SMT, in 22637ms problems are : Problem set: 0 solved, 149 unsolved
Search for dead transitions found 0 dead transitions in 22639ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22645 ms. Remains : 62/62 places, 160/160 transitions.
RANDOM walk for 4000000 steps (8 resets) in 25053 ms. (159 steps per ms) remains 16/20 properties
BEST_FIRST walk for 400004 steps (8 resets) in 512 ms. (779 steps per ms) remains 11/16 properties
BEST_FIRST walk for 400003 steps (8 resets) in 484 ms. (824 steps per ms) remains 9/11 properties
BEST_FIRST walk for 400004 steps (8 resets) in 467 ms. (854 steps per ms) remains 7/9 properties
BEST_FIRST walk for 400004 steps (8 resets) in 454 ms. (879 steps per ms) remains 6/7 properties
BEST_FIRST walk for 400002 steps (8 resets) in 452 ms. (883 steps per ms) remains 5/6 properties
BEST_FIRST walk for 400004 steps (8 resets) in 455 ms. (877 steps per ms) remains 5/5 properties
BEST_FIRST walk for 400003 steps (8 resets) in 452 ms. (883 steps per ms) remains 4/5 properties
BEST_FIRST walk for 400004 steps (8 resets) in 451 ms. (884 steps per ms) remains 3/4 properties
[2025-06-02 05:27:38] [INFO ] Flow matrix only has 154 transitions (discarded 6 similar events)
[2025-06-02 05:27:38] [INFO ] Invariant cache hit.
[2025-06-02 05:27:38] [INFO ] State equation strengthened by 131 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1/10 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 45/55 variables, 10/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 28/43 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/55 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 25/80 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/80 variables, 5/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/80 variables, 22/80 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2025-06-02 05:27:38] [INFO ] Deduced a trap composed of 1 places in 26 ms of which 3 ms to minimize.
[2025-06-02 05:27:38] [INFO ] Deduced a trap composed of 1 places in 21 ms of which 1 ms to minimize.
[2025-06-02 05:27:38] [INFO ] Deduced a trap composed of 1 places in 14 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/80 variables, 3/83 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/80 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 10/90 variables, 2/85 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/90 variables, 1/86 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/90 variables, 8/94 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/90 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 7/97 variables, 4/98 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/97 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/97 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 3/100 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/100 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/100 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/100 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 23 (OVERLAPS) 10/110 variables, 7/111 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/110 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/110 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 26 (OVERLAPS) 65/175 variables, 18/130 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/175 variables, 9/139 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/175 variables, 43/182 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/175 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 30 (OVERLAPS) 9/184 variables, 6/188 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 31 (INCLUDED_ONLY) 0/184 variables, 3/191 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/184 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 33 (OVERLAPS) 10/194 variables, 9/200 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 34 (INCLUDED_ONLY) 0/194 variables, 3/203 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 35 (INCLUDED_ONLY) 0/194 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 36 (OVERLAPS) 22/216 variables, 10/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 37 (INCLUDED_ONLY) 0/216 variables, 5/218 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 38 (INCLUDED_ONLY) 0/216 variables, 9/227 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 39 (INCLUDED_ONLY) 0/216 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 40 (OVERLAPS) 0/216 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 216/216 variables, and 227 constraints, problems are : Problem set: 0 solved, 3 unsolved in 410 ms.
Refiners :[Positive P Invariants (semi-flows): 31/31 constraints, State Equation: 62/62 constraints, ReadFeed: 131/131 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1/10 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 45/55 variables, 10/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 28/43 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2025-06-02 05:27:39] [INFO ] Deduced a trap composed of 1 places in 22 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/55 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/55 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 25/80 variables, 10/54 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/80 variables, 5/59 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/80 variables, 22/81 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/80 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/80 variables, 3/85 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/80 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 10/90 variables, 2/87 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/90 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/90 variables, 8/96 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/90 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (OVERLAPS) 7/97 variables, 4/100 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/97 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/97 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (OVERLAPS) 3/100 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/100 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/100 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/100 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 25 (OVERLAPS) 10/110 variables, 7/113 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/110 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/110 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 28 (OVERLAPS) 65/175 variables, 18/132 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/175 variables, 9/141 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/175 variables, 43/184 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 31 (INCLUDED_ONLY) 0/175 variables, 2/186 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 175/216 variables, and 186 constraints, problems are : Problem set: 0 solved, 3 unsolved in 34458 ms.
Refiners :[Positive P Invariants (semi-flows): 23/31 constraints, State Equation: 46/62 constraints, ReadFeed: 110/131 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 4/4 constraints]
After SMT, in 34878ms problems are : Problem set: 0 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 9 out of 62 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 160/160 transitions.
Applied a total of 0 rules in 11 ms. Remains 62 /62 variables (removed 0) and now considering 160/160 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 62/62 places, 160/160 transitions.
RANDOM walk for 4000000 steps (8 resets) in 12219 ms. (327 steps per ms) remains 0/3 properties
Able to resolve query QuasiLiveness after proving 132 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 70/70 places, 164/164 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 62 transition count 160
Applied a total of 12 rules in 2 ms. Remains 62 /70 variables (removed 8) and now considering 160/164 (removed 4) transitions.
Running 149 sub problems to find dead transitions.
[2025-06-02 05:28:16] [INFO ] Flow matrix only has 154 transitions (discarded 6 similar events)
[2025-06-02 05:28:16] [INFO ] Invariant cache hit.
[2025-06-02 05:28:16] [INFO ] State equation strengthened by 131 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (OVERLAPS) 154/216 variables, 62/93 constraints. Problems are: Problem set: 0 solved, 149 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/216 variables, 131/224 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/216 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (OVERLAPS) 0/216 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 149 unsolved
No progress, stopping.
After SMT solving in domain Real declared 216/216 variables, and 224 constraints, problems are : Problem set: 0 solved, 149 unsolved in 2586 ms.
Refiners :[Positive P Invariants (semi-flows): 31/31 constraints, State Equation: 62/62 constraints, ReadFeed: 131/131 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 149 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (OVERLAPS) 154/216 variables, 62/93 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/216 variables, 131/224 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 216/216 variables, and 373 constraints, problems are : Problem set: 0 solved, 149 unsolved in 20032 ms.
Refiners :[Positive P Invariants (semi-flows): 31/31 constraints, State Equation: 62/62 constraints, ReadFeed: 131/131 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints]
After SMT, in 22663ms problems are : Problem set: 0 solved, 149 unsolved
Search for dead transitions found 0 dead transitions in 22664ms
[2025-06-02 05:28:39] [INFO ] Flow matrix only has 154 transitions (discarded 6 similar events)
[2025-06-02 05:28:39] [INFO ] Invariant cache hit.
[2025-06-02 05:28:39] [INFO ] Implicit Places using invariants in 59 ms returned []
[2025-06-02 05:28:39] [INFO ] Flow matrix only has 154 transitions (discarded 6 similar events)
[2025-06-02 05:28:39] [INFO ] Invariant cache hit.
[2025-06-02 05:28:39] [INFO ] State equation strengthened by 131 read => feed constraints.
[2025-06-02 05:28:39] [INFO ] Implicit Places using invariants and state equation in 162 ms returned []
Implicit Place search using SMT with State Equation took 224 ms to find 0 implicit places.
Running 149 sub problems to find dead transitions.
[2025-06-02 05:28:39] [INFO ] Flow matrix only has 154 transitions (discarded 6 similar events)
[2025-06-02 05:28:39] [INFO ] Invariant cache hit.
[2025-06-02 05:28:39] [INFO ] State equation strengthened by 131 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (OVERLAPS) 154/216 variables, 62/93 constraints. Problems are: Problem set: 0 solved, 149 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/216 variables, 131/224 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/216 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (OVERLAPS) 0/216 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 149 unsolved
No progress, stopping.
After SMT solving in domain Real declared 216/216 variables, and 224 constraints, problems are : Problem set: 0 solved, 149 unsolved in 2422 ms.
Refiners :[Positive P Invariants (semi-flows): 31/31 constraints, State Equation: 62/62 constraints, ReadFeed: 131/131 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 149 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (OVERLAPS) 154/216 variables, 62/93 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/216 variables, 131/224 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 216/216 variables, and 373 constraints, problems are : Problem set: 0 solved, 149 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 31/31 constraints, State Equation: 62/62 constraints, ReadFeed: 131/131 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints]
After SMT, in 32492ms problems are : Problem set: 0 solved, 149 unsolved
Search for dead transitions found 0 dead transitions in 32495ms
Starting structural reductions in LIVENESS mode, iteration 1 : 62/70 places, 160/164 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 55387 ms. Remains : 62/70 places, 160/164 transitions.
Discarding 28 transitions out of 160. Remains 132
Net is quasi-live, checking if it is reversible to establish liveness.
Net is conservative; using simplified expression for initial state.
Unable to solve all queries for examination Liveness. Remains :1 assertions to prove.
Unable to solve all queries for examination Liveness. Remains :132 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 132 properties from file /home/mcc/execution/Liveness.xml in 0 ms.
Working with output stream class java.io.PrintStream
Total runtime 251545 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running PaceMaker-PT-none

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 70
TRANSITIONS: 164
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.005s, Sys 0.000s]


SAVING FILE /home/mcc/execution/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 622
MODEL NAME: /home/mcc/execution/model
70 places, 164 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA Liveness FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1748842252094

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -timeout 180 -rebuildPNML

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="PaceMaker-PT-none"
export BK_EXAMINATION="Liveness"
export BK_TOOL="gold2024"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool gold2024"
echo " Input is PaceMaker-PT-none, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r154-tall-174876825300219"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PaceMaker-PT-none.tgz
mv PaceMaker-PT-none execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "Liveness.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;